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八年级上册英语第三单元知识点整理

八年级上册英语第三单元知识点整理

八年级上册英语第三单元知识点整理

知识,可以增加自身涵养性和素质,以及思想境界,思维和逻辑能力。鉴于此,小编为大家准备了这篇八年级上册英语第三单元知识点,欢迎阅读! 重点语法:形容词的比较级

?1.定义:

?形容词、副词有三个级:原级(PositiveDegree),比较级(ComparativeDegree)和最高级(SuperlativeDegree)。

?英语中,表示两者(人或物)相比较时,就要用形容词的比较级。

?2.形容词比较级的构成。

?(1)单音节和少数双音节词

?①一般在词尾加-er

?tall--tallercold--colder

?②以e结尾的只加-r

?nice--nicerlarge--larger

?③以辅音字母+y”结尾的,先变y为i,再加-er

?heavy--heaviereasy--easierbusy--busierfunny--funnierearly--earlier

?④以重读闭音节结尾的词(辅元辅),先双写最末的一个辅音字母,再加er hot--hotterwet--wetterbig--biggerfat--fatterthin--thinner

?口诀:热死大胖子和瘦子

?(2)多音节和部分双音节词前直接加more为比较级

?athletic--moreathleticpopular--morepopularcareful--morecareful

?(3)不规则变化的词

?原级比较级最高级

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26. in fact 实际上 27. at midnight 在半夜 28. have a good time=enjoy oneself玩得愉快 29. quarrel with sb. 和某人吵架 30. take one’s temperature 给某人体温 31. have/get a pain in…某处疼痛 32. have a headache 头痛 33. as soon as…一……就…… 34. feel like doing sth. 想要干某事 35. stop…from doing sth. 阻止……干某事 36. fall asleep 入睡 37. again and again再三地,反复地 38. wake up 醒来,叫醒 39. instead of 代替 40. look over 检查 41. take exercise运动 42. had better(not) do sth. 最好(不要)干某事 43. at the weekend 在周末 44. on time 按时 45. out of从……向外 46. all by oneself 独立,单独 47. lots of=a lot of 许多 48. no longer/more=not…any longer/more 不再 49. get back 回来,取回

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You will feel better after a good rest. 2. 表示意图 I will borrow a book from our school library tomorrow. What will she do tomorrow? 基本构成如下: 一般疑问句构成: (1)will+主语+do…? Will Sarah e to visit me next Sunday? (2)there be 结构的一般疑问句:Will there + be …? Will there be fewer trees? Yes, there will. / No, there won't 否定句构成:will + not (won't)+do

Sarah won't e to visit me next Sunday. 特殊疑问句构成: 特殊疑问词+will+主语+…?What will Sarah do next Sunday? (二) should的用法: should用来提出建议和忠告,后边加动词原形,否定句直接在should后边加not. 例如:I think you should eat less junk food. 我认为你应该少吃垃圾食品。 She drives a lot and she seldom walks. So I think she should walk a lot. 她经常开车,很少走路。所以我认为她应该多走路。

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Sometimes he does it this way and sometimes he does it that way. 他有时这样做,有时那样做。 (5)hardly ever 的频度为5%左右,意为“几乎不”、“偶尔”,表频率,位置是“行前be后”。 I hardly ever go out these days. 这些天我几乎不出门。 (6)never 的频度为0,意为“从来不”、“永不”。 My parents are never late for work. 我父母上班从来不迟到。 (3)sometimes、sometime、some time和some times He was sometimes late for school. 他有时上学迟到。

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